Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  M 81  ·  NGC 3031  ·  PGC 2726822  ·  PGC 28505  ·  PGC 28529  ·  PGC 28757
M81 RGB L, 



    
        

            Juergen
Powered byPixInsight

M81 RGB L

M81 RGB L, 



    
        

            Juergen
Powered byPixInsight

M81 RGB L

Acquisition details

Dates:
Dec. 28, 2018 ·  Feb. 14, 2021
Frames:
ASI2600MCC RGB: 15×300(1h 15′) -25°C bin 1×1
Astrodon Luminance E-Series Gen 2 31mm: 33×300(2h 45′) -25°C bin 1×1
Integration:
4h
Darks:
20
Flats:
20
Bias:
500
Avg. Moon age:
11.91 days
Avg. Moon phase:
33.85%

RA center: 09h55m34s.413

DEC center: +69°0411.77

Pixel scale: 0.681 arcsec/pixel

Orientation: 0.255 degrees

Field radius: 0.398 degrees

More info:Open 

Resolution: 3358x2536

File size: 4.1 MB

Locations: Sternenklar, Jena, Thüringen, Germany

Data source: Backyard

Comments

Sky plot

Sky plot

Histogram

M81 RGB L, 



    
        

            Juergen